> because of programs like the city's recent ban on plastic shopping bags, efforts to promote solar energy and the city's comprehensive composting program, this year san francisco was named earth hour city capital for the u.s. i talked to earth hour ceo randy from singapore. >> save money by cutting the power you are using and make your city a better place to live in, which is pretty much what san francisco has done. >> and san francisco joined other cities around the world with lights out. at 8:30 local time in sidney, australia, they threw the switch on the harbor bridge. in tokyo, japan the tokyo tower went dark and the house of london the lights went out. this is to encourage the public to do the same. >> we actually were hoping that people might think about earth hour, hour by hour every day. >> abc7 news. >>> if you are planning on buying an ipad you might want to make sure you are actually getting an ipad. several fake tablets have been sold to unsuspecting customers at legitimate stores. a massachusetts woman said the one she bought from a boston wal-mart was really a plastic cube